Back in 2013 John Gagnon continued his popular series of posts about powerful spreadsheet use with a handy how-to guide for using the add-in GeoFlow for Excel. Back in 2013 John Gagnon continued his ...

Shelby Brown (she/her/hers) is an editor for CNET's services team. She covers tips and tricks for apps, operating systems and devices, as well as mobile gaming and Apple Arcade news. Shelby also ...